212313250 has 16 divisors (see below), whose sum is σ = 397450872. Its totient is φ = 84925200.

The previous prime is 212313197. The next prime is 212313251. The reversal of 212313250 is 52313212.

It can be written as a sum of positive squares in 4 ways, for example, as 96255721 + 116057529 = 9811^2 + 10773^2 .

It is a super-2 number, since 2×212313250² = 90153832251125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212313251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424377 + ... + 424876.

Almost surely, 2^212313250 is an apocalyptic number.

212313250 is a deficient number, since it is larger than the sum of its proper divisors (185137622).

212313250 is an equidigital number, since it uses as much as digits as its factorization.

212313250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849270 (or 849260 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 212313250 is about 14570.9728570195. The cubic root of 212313250 is about 596.5667345444.

Adding to 212313250 its reverse (52313212), we get a palindrome (264626462).

The spelling of 212313250 in words is "two hundred twelve million, three hundred thirteen thousand, two hundred fifty".